注意:我是用自己的APP打开**别人的APP**。我遇到的问题是自己的APP不能打开手机里面已经装好的QQ阅读。我不能修改QQ阅读的任何代码,所以"exported ="true"“可能不适用于我这个情况。在此感谢所有愿意为我这个问题花时间的大大。
下面是错误提示:**Permission Denial**: starting Intent { act=android.intent.action.MAIN cat=[android.intent.category.LAUNCHER] cmp=com.qq.reader/.widget.picbrowser.PictureActivity } from ProcessRecord{3823559b 16851:com.pax.market.android.app/u0a322} (pid=16851, uid=10322) **not exported from uid **10324
下面是我启动别人APP的代码
public static void openApp(Activity activity,String packageName) {
PackageInfo pi;
try {
pi = activity.getPackageManager().getPackageInfo(packageName, 0);
Intent resolveIntent = new Intent(Intent.ACTION_MAIN, null);
resolveIntent.setPackage(pi.packageName);
PackageManager pManager = activity.getPackageManager();
List apps = pManager.queryIntentActivities(
resolveIntent, 0);
ResolveInfo ri = (ResolveInfo) apps.iterator().next();
if (ri != null) {
packageName = ri.activityInfo.packageName;
String className = ri.activityInfo.name;
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_LAUNCHER);
ComponentName cn = new ComponentName(packageName, className);
intent.setComponent(cn);
activity.startActivity(intent);
}
} catch (NameNotFoundException e) {
Log.e(TAG, "Package Name not found: " + e.getMessage() + ", App is not installed.");
} catch (SecurityException e){
SnackBar.newBuilder().activity(activity).
text(activity.getString(R.string.permission_denied_to_open))
.build().show();
}
}
List apps = pManager.queryIntentActivities(resolveIntent, 0);查询出的符合条件的activity是有可能是多个的。
对于com.qq.reader来说可查询出两个:
com.qq.reader.widget.picbrowser.PictureActivity
com.qq.reader.activity.SplashActivity
其中PictureActivity是不能被启动的,因为它的exported=false,但是SplashActivity是可以启动的。
代码修改了一下,是可以启动qqreader的,是从SpalshActivity启动的。
public static void openApp(Activity activity,String packageName) {
PackageInfo pi;
try {
pi = activity.getPackageManager().getPackageInfo(packageName, 0);
Intent resolveIntent = new Intent(Intent.ACTION_MAIN, null);
resolveIntent.setPackage(pi.packageName);
PackageManager pManager = activity.getPackageManager();
List<ResolveInfo> apps = pManager.queryIntentActivities(
resolveIntent, 0);
for(ResolveInfo app: apps){
Log.d(TAG,String.format("%s %s",app.activityInfo.packageName,app.activityInfo.name));
packageName = app.activityInfo.packageName;
String className = app.activityInfo.name;
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_LAUNCHER);
ComponentName cn = new ComponentName(packageName, className);
intent.setComponent(cn);
try {
activity.startActivity(intent);
}catch(SecurityException e){
e.printStackTrace();
}
}
/* ResolveInfo ri = (ResolveInfo) apps.iterator().next();
if (ri != null) {
packageName = ri.activityInfo.packageName;
String className = ri.activityInfo.name;
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_LAUNCHER);
ComponentName cn = new ComponentName(packageName, className);
intent.setComponent(cn);
activity.startActivity(intent);
}*/
} catch (PackageManager.NameNotFoundException e) {
Log.e(TAG, "Package Name not found: " + e.getMessage() + ", App is not installed.");
} catch (SecurityException e){
SnackBar.newBuilder().activity(activity).
text(activity.getString(R.string.permission_denied_to_open))
.build().show();
}
}